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Date:      Thu, 12 Jun 2014 22:42:31 +0000 (UTC)
From:      Jean-Sebastien Pedron <dumbbell@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject:   svn commit: r267430 - in stable/9/sys: dev/drm2/radeon modules/drm2/radeonkms
Message-ID:  <201406122242.s5CMgVdg005711@svn.freebsd.org>

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Author: dumbbell
Date: Thu Jun 12 22:42:31 2014
New Revision: 267430
URL: http://svnweb.freebsd.org/changeset/base/267430

Log:
  drm/radeon: Add 32bit ioctls support
  
  This allows to run 32bit applications on a 64bit host. This was tested
  successfully with Wine (emulators/i386-wine-devel) and StarCraft II.
  
  Before this change, running a 32bit OpenGL application would trigger a
  kernel panic.
  
  This is an MFC of r265262.
  
  Submitted by:	Jan Kokemüller <jan.kokemueller@gmail.com>
  Approved by:	re (gjb)

Modified:
  stable/9/sys/dev/drm2/radeon/radeon_drv.c
  stable/9/sys/dev/drm2/radeon/radeon_ioc32.c
  stable/9/sys/modules/drm2/radeonkms/Makefile
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/dev/   (props changed)
  stable/9/sys/modules/   (props changed)

Modified: stable/9/sys/dev/drm2/radeon/radeon_drv.c
==============================================================================
--- stable/9/sys/dev/drm2/radeon/radeon_drv.c	Thu Jun 12 21:50:46 2014	(r267429)
+++ stable/9/sys/dev/drm2/radeon/radeon_drv.c	Thu Jun 12 22:42:31 2014	(r267430)
@@ -85,6 +85,10 @@ extern int radeon_get_crtc_scanoutpos(st
 				      int *vpos, int *hpos);
 extern struct drm_ioctl_desc radeon_ioctls_kms[];
 extern int radeon_max_kms_ioctl;
+#ifdef COMPAT_FREEBSD32
+extern struct drm_ioctl_desc radeon_compat_ioctls[];
+extern int radeon_num_compat_ioctls;
+#endif
 #ifdef DUMBBELL_WIP
 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
 #endif /* DUMBBELL_WIP */
@@ -466,6 +470,10 @@ radeon_attach(device_t kdev)
 	if (radeon_modeset == 1) {
 		kms_driver.driver_features |= DRIVER_MODESET;
 		kms_driver.max_ioctl = radeon_max_kms_ioctl;
+#ifdef COMPAT_FREEBSD32
+		kms_driver.compat_ioctls = radeon_compat_ioctls;
+		kms_driver.compat_ioctls_nr = &radeon_num_compat_ioctls;
+#endif
 		radeon_register_atpx_handler();
 	}
 	dev->driver = &kms_driver;

Modified: stable/9/sys/dev/drm2/radeon/radeon_ioc32.c
==============================================================================
--- stable/9/sys/dev/drm2/radeon/radeon_ioc32.c	Thu Jun 12 21:50:46 2014	(r267429)
+++ stable/9/sys/dev/drm2/radeon/radeon_ioc32.c	Thu Jun 12 22:42:31 2014	(r267430)
@@ -31,10 +31,13 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
-#include <linux/compat.h>
+#include "opt_compat.h"
 
-#include <drm/drmP.h>
-#include <drm/radeon_drm.h>
+#ifdef COMPAT_FREEBSD32
+
+#include <dev/drm2/drmP.h>
+#include <dev/drm2/drm.h>
+#include <dev/drm2/radeon/radeon_drm.h>
 #include "radeon_drv.h"
 
 typedef struct drm_radeon_init32 {
@@ -60,42 +63,37 @@ typedef struct drm_radeon_init32 {
 	u32 gart_textures_offset;
 } drm_radeon_init32_t;
 
-static int compat_radeon_cp_init(struct file *file, unsigned int cmd,
-				 unsigned long arg)
+static int compat_radeon_cp_init(struct drm_device *dev, void *arg,
+				 struct drm_file *file_priv)
 {
-	drm_radeon_init32_t init32;
-	drm_radeon_init_t __user *init;
+	drm_radeon_init32_t *init32;
+	drm_radeon_init_t __user init;
 
-	if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
-		return -EFAULT;
+	init32 = arg;
 
-	init = compat_alloc_user_space(sizeof(*init));
-	if (!access_ok(VERIFY_WRITE, init, sizeof(*init))
-	    || __put_user(init32.func, &init->func)
-	    || __put_user(init32.sarea_priv_offset, &init->sarea_priv_offset)
-	    || __put_user(init32.is_pci, &init->is_pci)
-	    || __put_user(init32.cp_mode, &init->cp_mode)
-	    || __put_user(init32.gart_size, &init->gart_size)
-	    || __put_user(init32.ring_size, &init->ring_size)
-	    || __put_user(init32.usec_timeout, &init->usec_timeout)
-	    || __put_user(init32.fb_bpp, &init->fb_bpp)
-	    || __put_user(init32.front_offset, &init->front_offset)
-	    || __put_user(init32.front_pitch, &init->front_pitch)
-	    || __put_user(init32.back_offset, &init->back_offset)
-	    || __put_user(init32.back_pitch, &init->back_pitch)
-	    || __put_user(init32.depth_bpp, &init->depth_bpp)
-	    || __put_user(init32.depth_offset, &init->depth_offset)
-	    || __put_user(init32.depth_pitch, &init->depth_pitch)
-	    || __put_user(init32.fb_offset, &init->fb_offset)
-	    || __put_user(init32.mmio_offset, &init->mmio_offset)
-	    || __put_user(init32.ring_offset, &init->ring_offset)
-	    || __put_user(init32.ring_rptr_offset, &init->ring_rptr_offset)
-	    || __put_user(init32.buffers_offset, &init->buffers_offset)
-	    || __put_user(init32.gart_textures_offset,
-			  &init->gart_textures_offset))
-		return -EFAULT;
+	init.func = init32->func;
+	init.sarea_priv_offset = (unsigned long)init32->sarea_priv_offset;
+	init.is_pci = init32->is_pci;
+	init.cp_mode = init32->cp_mode;
+	init.gart_size = init32->gart_size;
+	init.ring_size = init32->ring_size;
+	init.usec_timeout = init32->usec_timeout;
+	init.fb_bpp = init32->fb_bpp;
+	init.front_offset = init32->front_offset;
+	init.front_pitch = init32->front_pitch;
+	init.back_offset = init32->back_offset;
+	init.back_pitch = init32->back_pitch;
+	init.depth_bpp = init32->depth_bpp;
+	init.depth_offset = init32->depth_offset;
+	init.depth_pitch = init32->depth_pitch;
+	init.fb_offset = (unsigned long)init32->fb_offset;
+	init.mmio_offset = (unsigned long)init32->mmio_offset;
+	init.ring_offset = (unsigned long)init32->ring_offset;
+	init.ring_rptr_offset = (unsigned long)init32->ring_rptr_offset;
+	init.buffers_offset = (unsigned long)init32->buffers_offset;
+	init.gart_textures_offset = (unsigned long)init32->gart_textures_offset;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_CP_INIT, (unsigned long)init);
+	return radeon_cp_init(dev, &init, file_priv);
 }
 
 typedef struct drm_radeon_clear32 {
@@ -107,50 +105,37 @@ typedef struct drm_radeon_clear32 {
 	u32 depth_boxes;
 } drm_radeon_clear32_t;
 
-static int compat_radeon_cp_clear(struct file *file, unsigned int cmd,
-				  unsigned long arg)
+static int compat_radeon_cp_clear(struct drm_device *dev, void *arg,
+				  struct drm_file *file_priv)
 {
-	drm_radeon_clear32_t clr32;
-	drm_radeon_clear_t __user *clr;
+	drm_radeon_clear32_t *clr32;
+	drm_radeon_clear_t __user clr;
 
-	if (copy_from_user(&clr32, (void __user *)arg, sizeof(clr32)))
-		return -EFAULT;
+	clr32 = arg;
 
-	clr = compat_alloc_user_space(sizeof(*clr));
-	if (!access_ok(VERIFY_WRITE, clr, sizeof(*clr))
-	    || __put_user(clr32.flags, &clr->flags)
-	    || __put_user(clr32.clear_color, &clr->clear_color)
-	    || __put_user(clr32.clear_depth, &clr->clear_depth)
-	    || __put_user(clr32.color_mask, &clr->color_mask)
-	    || __put_user(clr32.depth_mask, &clr->depth_mask)
-	    || __put_user((void __user *)(unsigned long)clr32.depth_boxes,
-			  &clr->depth_boxes))
-		return -EFAULT;
+	clr.flags = clr32->flags;
+	clr.clear_color = clr32->clear_color;
+	clr.clear_depth = clr32->clear_depth;
+	clr.color_mask = clr32->color_mask;
+	clr.depth_mask = clr32->depth_mask;
+	clr.depth_boxes = (drm_radeon_clear_rect_t *)(unsigned long)clr32->depth_boxes;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_CLEAR, (unsigned long)clr);
+	return radeon_ioctls[DRM_IOCTL_RADEON_CLEAR].func(dev, &clr, file_priv);
 }
 
 typedef struct drm_radeon_stipple32 {
 	u32 mask;
 } drm_radeon_stipple32_t;
 
-static int compat_radeon_cp_stipple(struct file *file, unsigned int cmd,
-				    unsigned long arg)
+static int compat_radeon_cp_stipple(struct drm_device *dev, void *arg,
+				    struct drm_file *file_priv)
 {
 	drm_radeon_stipple32_t __user *argp = (void __user *)arg;
-	drm_radeon_stipple_t __user *request;
-	u32 mask;
+	drm_radeon_stipple_t __user request;
 
-	if (get_user(mask, &argp->mask))
-		return -EFAULT;
+	request.mask = (unsigned int *)(unsigned long)argp->mask;
 
-	request = compat_alloc_user_space(sizeof(*request));
-	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
-	    || __put_user((unsigned int __user *)(unsigned long)mask,
-			  &request->mask))
-		return -EFAULT;
-
-	return drm_ioctl(file, DRM_IOCTL_RADEON_STIPPLE, (unsigned long)request);
+	return radeon_ioctls[DRM_IOCTL_RADEON_STIPPLE].func(dev, &request, file_priv);
 }
 
 typedef struct drm_radeon_tex_image32 {
@@ -168,43 +153,32 @@ typedef struct drm_radeon_texture32 {
 	u32 image;
 } drm_radeon_texture32_t;
 
-static int compat_radeon_cp_texture(struct file *file, unsigned int cmd,
-				    unsigned long arg)
+static int compat_radeon_cp_texture(struct drm_device *dev, void *arg,
+				    struct drm_file *file_priv)
 {
-	drm_radeon_texture32_t req32;
-	drm_radeon_texture_t __user *request;
-	drm_radeon_tex_image32_t img32;
-	drm_radeon_tex_image_t __user *image;
-
-	if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
-		return -EFAULT;
-	if (req32.image == 0)
+	drm_radeon_texture32_t *req32;
+	drm_radeon_texture_t __user request;
+	drm_radeon_tex_image32_t *img32;
+	drm_radeon_tex_image_t __user image;
+
+	req32 = arg;
+	if (req32->image == 0)
 		return -EINVAL;
-	if (copy_from_user(&img32, (void __user *)(unsigned long)req32.image,
-			   sizeof(img32)))
-		return -EFAULT;
-
-	request = compat_alloc_user_space(sizeof(*request) + sizeof(*image));
-	if (!access_ok(VERIFY_WRITE, request,
-		       sizeof(*request) + sizeof(*image)))
-		return -EFAULT;
-	image = (drm_radeon_tex_image_t __user *) (request + 1);
-
-	if (__put_user(req32.offset, &request->offset)
-	    || __put_user(req32.pitch, &request->pitch)
-	    || __put_user(req32.format, &request->format)
-	    || __put_user(req32.width, &request->width)
-	    || __put_user(req32.height, &request->height)
-	    || __put_user(image, &request->image)
-	    || __put_user(img32.x, &image->x)
-	    || __put_user(img32.y, &image->y)
-	    || __put_user(img32.width, &image->width)
-	    || __put_user(img32.height, &image->height)
-	    || __put_user((const void __user *)(unsigned long)img32.data,
-			  &image->data))
-		return -EFAULT;
+	img32 = (drm_radeon_tex_image32_t *)(unsigned long)req32->image;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_TEXTURE, (unsigned long)request);
+	request.offset = req32->offset;
+	request.pitch = req32->pitch;
+	request.format = req32->format;
+	request.width = req32->width;
+	request.height = req32->height;
+	request.image = &image;
+	image.x = img32->x;
+	image.y = img32->y;
+	image.width = img32->width;
+	image.height = img32->height;
+	image.data = (void *)(unsigned long)img32->data;
+
+	return radeon_ioctls[DRM_IOCTL_RADEON_TEXTURE].func(dev, &request, file_priv);
 }
 
 typedef struct drm_radeon_vertex2_32 {
@@ -216,28 +190,22 @@ typedef struct drm_radeon_vertex2_32 {
 	u32 prim;
 } drm_radeon_vertex2_32_t;
 
-static int compat_radeon_cp_vertex2(struct file *file, unsigned int cmd,
-				    unsigned long arg)
+static int compat_radeon_cp_vertex2(struct drm_device *dev, void *arg,
+				    struct drm_file *file_priv)
 {
-	drm_radeon_vertex2_32_t req32;
-	drm_radeon_vertex2_t __user *request;
+	drm_radeon_vertex2_32_t *req32;
+	drm_radeon_vertex2_t __user request;
 
-	if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
-		return -EFAULT;
+	req32 = arg;
 
-	request = compat_alloc_user_space(sizeof(*request));
-	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
-	    || __put_user(req32.idx, &request->idx)
-	    || __put_user(req32.discard, &request->discard)
-	    || __put_user(req32.nr_states, &request->nr_states)
-	    || __put_user((void __user *)(unsigned long)req32.state,
-			  &request->state)
-	    || __put_user(req32.nr_prims, &request->nr_prims)
-	    || __put_user((void __user *)(unsigned long)req32.prim,
-			  &request->prim))
-		return -EFAULT;
+	request.idx = req32->idx;
+	request.discard = req32->discard;
+	request.nr_states = req32->nr_states;
+	request.state = (drm_radeon_state_t *)(unsigned long)req32->state;
+	request.nr_prims = req32->nr_prims;
+	request.prim = (drm_radeon_prim_t *)(unsigned long)req32->prim;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_VERTEX2, (unsigned long)request);
+	return radeon_ioctls[DRM_IOCTL_RADEON_VERTEX2].func(dev, &request, file_priv);
 }
 
 typedef struct drm_radeon_cmd_buffer32 {
@@ -247,26 +215,20 @@ typedef struct drm_radeon_cmd_buffer32 {
 	u32 boxes;
 } drm_radeon_cmd_buffer32_t;
 
-static int compat_radeon_cp_cmdbuf(struct file *file, unsigned int cmd,
-				   unsigned long arg)
+static int compat_radeon_cp_cmdbuf(struct drm_device *dev, void *arg,
+				   struct drm_file *file_priv)
 {
-	drm_radeon_cmd_buffer32_t req32;
-	drm_radeon_cmd_buffer_t __user *request;
+	drm_radeon_cmd_buffer32_t *req32;
+	drm_radeon_cmd_buffer_t __user request;
 
-	if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
-		return -EFAULT;
+	req32 = arg;
 
-	request = compat_alloc_user_space(sizeof(*request));
-	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
-	    || __put_user(req32.bufsz, &request->bufsz)
-	    || __put_user((void __user *)(unsigned long)req32.buf,
-			  &request->buf)
-	    || __put_user(req32.nbox, &request->nbox)
-	    || __put_user((void __user *)(unsigned long)req32.boxes,
-			  &request->boxes))
-		return -EFAULT;
+	request.bufsz = req32->bufsz;
+	request.buf = (char *)(unsigned long)req32->buf;
+	request.nbox = req32->nbox;
+	request.boxes = (struct drm_clip_rect *)(unsigned long)req32->boxes;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_CMDBUF, (unsigned long)request);
+	return radeon_ioctls[DRM_IOCTL_RADEON_CMDBUF].func(dev, &request, file_priv);
 }
 
 typedef struct drm_radeon_getparam32 {
@@ -274,23 +236,18 @@ typedef struct drm_radeon_getparam32 {
 	u32 value;
 } drm_radeon_getparam32_t;
 
-static int compat_radeon_cp_getparam(struct file *file, unsigned int cmd,
-				     unsigned long arg)
+static int compat_radeon_cp_getparam(struct drm_device *dev, void *arg,
+				     struct drm_file *file_priv)
 {
-	drm_radeon_getparam32_t req32;
-	drm_radeon_getparam_t __user *request;
+	drm_radeon_getparam32_t *req32;
+	drm_radeon_getparam_t __user request;
 
-	if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
-		return -EFAULT;
+	req32 = arg;
 
-	request = compat_alloc_user_space(sizeof(*request));
-	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
-	    || __put_user(req32.param, &request->param)
-	    || __put_user((void __user *)(unsigned long)req32.value,
-			  &request->value))
-		return -EFAULT;
+	request.param = req32->param;
+	request.value = (void *)(unsigned long)req32->value;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_GETPARAM, (unsigned long)request);
+	return radeon_ioctls[DRM_IOCTL_RADEON_GETPARAM].func(dev, &request, file_priv);
 }
 
 typedef struct drm_radeon_mem_alloc32 {
@@ -300,129 +257,71 @@ typedef struct drm_radeon_mem_alloc32 {
 	u32 region_offset;	/* offset from start of fb or GART */
 } drm_radeon_mem_alloc32_t;
 
-static int compat_radeon_mem_alloc(struct file *file, unsigned int cmd,
-				   unsigned long arg)
+static int compat_radeon_mem_alloc(struct drm_device *dev, void *arg,
+				   struct drm_file *file_priv)
 {
-	drm_radeon_mem_alloc32_t req32;
-	drm_radeon_mem_alloc_t __user *request;
+	drm_radeon_mem_alloc32_t *req32;
+	drm_radeon_mem_alloc_t __user request;
 
-	if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
-		return -EFAULT;
+	req32 = arg;
 
-	request = compat_alloc_user_space(sizeof(*request));
-	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
-	    || __put_user(req32.region, &request->region)
-	    || __put_user(req32.alignment, &request->alignment)
-	    || __put_user(req32.size, &request->size)
-	    || __put_user((int __user *)(unsigned long)req32.region_offset,
-			  &request->region_offset))
-		return -EFAULT;
+	request.region = req32->region;
+	request.alignment = req32->alignment;
+	request.size = req32->size;
+	request.region_offset = (int *)(unsigned long)req32->region_offset;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_ALLOC, (unsigned long)request);
+	return radeon_mem_alloc(dev, &request, file_priv);
 }
 
 typedef struct drm_radeon_irq_emit32 {
 	u32 irq_seq;
 } drm_radeon_irq_emit32_t;
 
-static int compat_radeon_irq_emit(struct file *file, unsigned int cmd,
-				  unsigned long arg)
+static int compat_radeon_irq_emit(struct drm_device *dev, void *arg,
+				  struct drm_file *file_priv)
 {
-	drm_radeon_irq_emit32_t req32;
-	drm_radeon_irq_emit_t __user *request;
+	drm_radeon_irq_emit32_t *req32;
+	drm_radeon_irq_emit_t __user request;
 
-	if (copy_from_user(&req32, (void __user *)arg, sizeof(req32)))
-		return -EFAULT;
+	req32 = arg;
 
-	request = compat_alloc_user_space(sizeof(*request));
-	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
-	    || __put_user((int __user *)(unsigned long)req32.irq_seq,
-			  &request->irq_seq))
-		return -EFAULT;
+	request.irq_seq = (int *)(unsigned long)req32->irq_seq;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long)request);
+	return radeon_irq_emit(dev, &request, file_priv);
 }
 
 /* The two 64-bit arches where alignof(u64)==4 in 32-bit code */
-#if defined (CONFIG_X86_64) || defined(CONFIG_IA64)
 typedef struct drm_radeon_setparam32 {
 	int param;
 	u64 value;
 } __attribute__((packed)) drm_radeon_setparam32_t;
 
-static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd,
-				     unsigned long arg)
+static int compat_radeon_cp_setparam(struct drm_device *dev, void *arg,
+				     struct drm_file *file_priv)
 {
-	drm_radeon_setparam32_t req32;
-	drm_radeon_setparam_t __user *request;
-
-	if (copy_from_user(&req32, (void __user *) arg, sizeof(req32)))
-		return -EFAULT;
+	drm_radeon_setparam32_t *req32;
+	drm_radeon_setparam_t __user request;
 
-	request = compat_alloc_user_space(sizeof(*request));
-	if (!access_ok(VERIFY_WRITE, request, sizeof(*request))
-	    || __put_user(req32.param, &request->param)
-	    || __put_user((void __user *)(unsigned long)req32.value,
-			  &request->value))
-		return -EFAULT;
+	req32 = arg;
 
-	return drm_ioctl(file, DRM_IOCTL_RADEON_SETPARAM, (unsigned long) request);
-}
-#else
-#define compat_radeon_cp_setparam NULL
-#endif /* X86_64 || IA64 */
-
-static drm_ioctl_compat_t *radeon_compat_ioctls[] = {
-	[DRM_RADEON_CP_INIT] = compat_radeon_cp_init,
-	[DRM_RADEON_CLEAR] = compat_radeon_cp_clear,
-	[DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple,
-	[DRM_RADEON_TEXTURE] = compat_radeon_cp_texture,
-	[DRM_RADEON_VERTEX2] = compat_radeon_cp_vertex2,
-	[DRM_RADEON_CMDBUF] = compat_radeon_cp_cmdbuf,
-	[DRM_RADEON_GETPARAM] = compat_radeon_cp_getparam,
-	[DRM_RADEON_SETPARAM] = compat_radeon_cp_setparam,
-	[DRM_RADEON_ALLOC] = compat_radeon_mem_alloc,
-	[DRM_RADEON_IRQ_EMIT] = compat_radeon_irq_emit,
+	request.param = req32->param;
+	request.value = req32->value;
+
+	return radeon_ioctls[DRM_IOCTL_RADEON_SETPARAM].func(dev, &request, file_priv);
+}
+
+struct drm_ioctl_desc radeon_compat_ioctls[] = {
+	DRM_IOCTL_DEF(DRM_RADEON_CP_INIT, compat_radeon_cp_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
+	DRM_IOCTL_DEF(DRM_RADEON_CLEAR, compat_radeon_cp_clear, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_STIPPLE, compat_radeon_cp_stipple, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_TEXTURE, compat_radeon_cp_texture, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_VERTEX2, compat_radeon_cp_vertex2, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_CMDBUF, compat_radeon_cp_cmdbuf, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_GETPARAM, compat_radeon_cp_getparam, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_SETPARAM, compat_radeon_cp_setparam, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_ALLOC, compat_radeon_mem_alloc, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_IRQ_EMIT, compat_radeon_irq_emit, DRM_AUTH)
 };
+int radeon_num_compat_ioctls = DRM_ARRAY_SIZE(radeon_compat_ioctls);
 
-/**
- * Called whenever a 32-bit process running under a 64-bit kernel
- * performs an ioctl on /dev/dri/card<n>.
- *
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument.
- * \return zero on success or negative number on failure.
- */
-long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	unsigned int nr = DRM_IOCTL_NR(cmd);
-	drm_ioctl_compat_t *fn = NULL;
-	int ret;
-
-	if (nr < DRM_COMMAND_BASE)
-		return drm_compat_ioctl(filp, cmd, arg);
-
-	if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(radeon_compat_ioctls))
-		fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE];
-
-	if (fn != NULL)
-		ret = (*fn) (filp, cmd, arg);
-	else
-		ret = drm_ioctl(filp, cmd, arg);
-
-	return ret;
-}
-
-long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	unsigned int nr = DRM_IOCTL_NR(cmd);
-	int ret;
-
-	if (nr < DRM_COMMAND_BASE)
-		return drm_compat_ioctl(filp, cmd, arg);
-
-	ret = drm_ioctl(filp, cmd, arg);
-
-	return ret;
-}
+#endif

Modified: stable/9/sys/modules/drm2/radeonkms/Makefile
==============================================================================
--- stable/9/sys/modules/drm2/radeonkms/Makefile	Thu Jun 12 21:50:46 2014	(r267429)
+++ stable/9/sys/modules/drm2/radeonkms/Makefile	Thu Jun 12 22:42:31 2014	(r267430)
@@ -88,7 +88,10 @@ SRCS	+=								\
 	si.c								\
 	si_blit_shaders.c
 
-#radeon_ioc32.c
+.if ${MACHINE_CPUARCH} == "amd64"
+SRCS	+= radeon_ioc32.c
+.endif
+
 #radeon_prime.c
 #--radeon_trace_points.c
 



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